2 Unix SMB/CIFS implementation.
4 handle removal of deleted objects
6 Copyright (C) 2009 Andrew Tridgell
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #include "lib/events/events.h"
25 #include "dsdb/samdb/samdb.h"
26 #include "auth/auth.h"
27 #include "smbd/service.h"
28 #include "lib/messaging/irpc.h"
29 #include "dsdb/kcc/kcc_connection.h"
30 #include "dsdb/kcc/kcc_service.h"
31 #include <ldb_errors.h>
32 #include "../lib/util/dlinklist.h"
33 #include "librpc/gen_ndr/ndr_misc.h"
34 #include "librpc/gen_ndr/ndr_drsuapi.h"
35 #include "librpc/gen_ndr/ndr_drsblobs.h"
36 #include "param/param.h"
37 #include "dsdb/common/util.h"
40 check to see if any deleted objects need scavenging
42 NTSTATUS
kccsrv_check_deleted(struct kccsrv_service
*s
, TALLOC_CTX
*mem_ctx
)
44 struct kccsrv_partition
*part
;
46 uint32_t tombstoneLifetime
;
48 time_t t
= time(NULL
);
49 if (t
- s
->last_deleted_check
< lpcfg_parm_int(s
->task
->lp_ctx
, NULL
, "kccsrv",
50 "check_deleted_interval", 600)) {
53 s
->last_deleted_check
= t
;
55 ret
= dsdb_tombstone_lifetime(s
->samdb
, &tombstoneLifetime
);
56 if (ret
!= LDB_SUCCESS
) {
57 DEBUG(1,(__location__
": Failed to get tombstone lifetime\n"));
58 return NT_STATUS_INTERNAL_DB_CORRUPTION
;
61 for (part
=s
->partitions
; part
; part
=part
->next
) {
63 struct ldb_result
*res
;
64 const char *attrs
[] = { "whenChanged", NULL
};
67 ret
= dsdb_get_deleted_objects_dn(s
->samdb
, mem_ctx
, part
->dn
, &do_dn
);
68 if (ret
!= LDB_SUCCESS
) {
69 /* some partitions have no Deleted Objects
73 ret
= dsdb_search(s
->samdb
, do_dn
, &res
, do_dn
, LDB_SCOPE_ONELEVEL
, attrs
,
74 DSDB_SEARCH_SHOW_RECYCLED
, NULL
);
76 if (ret
!= LDB_SUCCESS
) {
77 DEBUG(1,(__location__
": Failed to search for deleted objects in %s\n",
78 ldb_dn_get_linearized(do_dn
)));
83 for (i
=0; i
<res
->count
; i
++) {
85 time_t whenChanged
= 0;
87 tstring
= ldb_msg_find_attr_as_string(res
->msgs
[i
], "whenChanged", NULL
);
89 whenChanged
= ldb_string_to_time(tstring
);
91 if (t
- whenChanged
> tombstoneLifetime
*60*60*24) {
92 ret
= ldb_delete(s
->samdb
, res
->msgs
[i
]->dn
);
93 if (ret
!= LDB_SUCCESS
) {
94 DEBUG(1,(__location__
": Failed to remove deleted object %s\n",
95 ldb_dn_get_linearized(res
->msgs
[i
]->dn
)));
97 DEBUG(4,("Removed deleted object %s\n",
98 ldb_dn_get_linearized(res
->msgs
[i
]->dn
)));